... butterfly valve, full lug butterfly valve, no-pin lug butterfly valve manufacturers and suppliers in China ... .,Ltd is always at your service. No-pin wafer butterfly valve Description 1, one of ... CF8,CF8M, Al-bronze C958 ( single stem & no-pin) Stem Materials: SS416, SS304, SS316 Applicable standard Size ... , available for worm gear, double acting & spring return pneumatic and electric motorized.